On August 26, Israel and the Palestinian Authority both accepted a cease-fire agreement after a 50-day Israeli assault on Gaza that left 2,100 Palestinians dead and vast landscapes of destruction behind.

The agreement calls for an end to military action by Israel and Hamas as well as an easing of the Israeli siege that has strangled Gaza for many years.

This is, however, just the most recent of a series of cease-fire agreements reached after each of Israel's periodic escalations of its unremitting assault on Gaza.

Since November 2005 the terms of these agreements have remained essentially the same. The regular pattern is for Israel to disregard whatever agreement is in place, while Hamas observes it—as Israel has conceded—until a sharp increase in Israeli violence elicits a Hamas response, followed by even fiercer brutality.

These escalations are called "mowing the lawn" in Israeli parlance. The most recent was more accurately described as "removing the topsoil" by a senior U.S. military officer, quoted in Al Jazeera America.